Uncategorized March 1, 2009 Botanic garden tours. News and Information You can seen the Arboretum’s renowned plant collections in tours at 1 p.m. March 1 and 15; tour the new Pacific Connections garden at 11 a.m. on those days. Tours meet up at the Graham Visitors Center.(11 a.m., 1 p.m., Botanic Gardens.)